OAVdA 0.81m telescope mirror before and after re-aluminizing

The 0.81 meter primary mirror before (right) and after (left) re-aluminizing at The Astronomical Observatory of the Autonomous Region of the Aosta Valley (OAVdA). Re-aluminizing made possible by a Planetary Society Shoemaker NEO Grant.

Astronomical Observatory of the Autonomous Region of the Aosta Valley / Albino Carbognani